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1. The quality improvement team is reviewing
Time-series
quarterly incident reports and evaluating the
effect of Six Sigma strategies on the quantity
of medication errors over the past two years.
The team hypothesizes a contin- uous
reduction in medical errors for each
quarter.The sample consists of patient
clinical and demograph-
ic characteristics. Unfortunately, causation
cannot be determined from the data available.
Which research method should be used to test
the team's hypothesis? Time-Series
Cross-
Sectional
Pretest-
posttest
Randomized Control Trial
2. A hospital researcher has access to one year of hospital
Cross Sectional emergency department claims data. The
researcher is investigating the association of race on the
timeliness
of delivery of care. The sample includes
information on patient demographics,
insurance information, and emergency
department factors. Due to patient confi-
dentiality, the sample does not include patient
clini- cal information and outcomes. Which
research method should be used?
Time-Series
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solutions A+ rated
Cross-
Sectional
Pretest-
posttest
Randomized Control Trial
3. A policy analyst is interested in determining if Time-Series
the prospective payment system (PPS) has
improved hos- pital efficiency over time during
the past ten years. The sample for analysis
consists of ten years of data after
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solutions A+ rated
the introduction of the PPS and includes
measures of efficiency and other relevant
control variables. The an- alyst hypothesizes
that hospital efficiency should have increased
each year after the PPS was implement-
ed.Which research method should the analyst
use?
Time-Series
Cross-
Sectional
Pretest-
posttest
Randomized Control Trial
4. Which type of data analysis could be used in quantita- Reporting
the distribution
tive research?
Reporting the gender of participants 6. Many
Ranking the severity order with 1 as the worst and physician
4 as the best practices
Reporting the distribution of results or now utilize
outcomes Using categorical variables with an
0=no and 1=yes electronic
health record
5. What is a characteristic of qualitative research (EHR)
meth- ods? system that
Utilizes large sample sizes includes a
Determines causal relationships secure mes-
Generalizes results to the saging
population feature.
Introduces subjectivity to data collection
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solutions A+ rated
Some of these practices have extended their results or outcomes
contact with patients by conducting virtual
visits between people with diabetes and
nurses who are certified diabetes educators.
The remote technology includes the ability to
monitor blood glucose data to
Introduces subjectivity to data
collection
Cross-sectional